scummvm/engines/mediastation/cursors.cpp
2025-02-15 15:10:52 -05:00

136 lines
4.5 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "mediastation/cursors.h"
#include "mediastation/debugchannels.h"
#include "common/system.h"
#include "common/file.h"
#include "common/formats/winexe_ne.h"
#include "common/formats/winexe_pe.h"
#include "graphics/cursorman.h"
#include "graphics/maccursor.h"
#include "graphics/wincursor.h"
namespace MediaStation {
void CursorManager::showCursor() {
CursorMan.showMouse(true);
}
void CursorManager::hideCursor() {
CursorMan.showMouse(false);
}
void CursorManager::setDefaultCursor() {
Graphics::Cursor *cursor = Graphics::makeDefaultWinCursor();
CursorMan.replaceCursor(cursor);
delete cursor;
}
WindowsCursorManager::WindowsCursorManager(const Common::Path &appName) {
loadCursors(appName);
}
WindowsCursorManager::~WindowsCursorManager() {
for (auto it = _cursors.begin(); it != _cursors.end(); ++it) {
delete it->_value;
}
_cursors.clear();
}
void WindowsCursorManager::loadCursors(const Common::Path &appName) {
if (appName.empty()) {
error("WindowsCursorManager::loadCursors(): No executable to load cursors from");
} else if (!Common::File::exists(appName)) {
error("WindowsCursorManager::loadCursors(): Executable %s doesn't exist", appName.toString().c_str());
}
Common::WinResources *exe = Common::WinResources::createFromEXE(appName);
if (!exe->loadFromEXE(appName)) {
error("WindowsCursorManager::loadCursors(): Could not load resources from executable %s", appName.toString().c_str());
}
const Common::Array<Common::WinResourceID> cursorGroups = exe->getIDList(Common::kWinGroupCursor);
for (Common::WinResourceID cursorGroup : cursorGroups) {
Common::String resourceString = cursorGroup.getString();
if (resourceString.empty()) {
warning("WindowsCursorManager::loadCursors(): Got Windows cursor group with no string ID");
continue;
}
Graphics::WinCursorGroup *group = Graphics::WinCursorGroup::createCursorGroup(exe, cursorGroup);
_cursors.setVal(resourceString, group);
}
delete exe;
}
void WindowsCursorManager::setCursor(const Common::String &name) {
Graphics::WinCursorGroup *group = _cursors.getValOrDefault(name);
if (group != nullptr) {
Graphics::Cursor *cursor = group->cursors[0].cursor;
CursorMan.replaceCursor(cursor);
} else {
error("WindowsCursorManager::setCursor(): Reqested Windows cursor %s not found", name.c_str());
}
}
MacCursorManager::MacCursorManager(const Common::Path &appName) {
if (appName.empty()) {
error("MacCursorManager::loadCursors(): No file to load cursors from");
} else if (!Common::File::exists(appName)) {
error("MacCursorManager::loadCursors(): File %s doesn't exist", appName.toString().c_str());
}
_resFork = new Common::MacResManager();
if (!_resFork->open(appName) || !_resFork->hasResFork()) {
error("MacCursorManager::loadCursors(): Could not load resource fork from %s", appName.toString().c_str());
}
}
MacCursorManager::~MacCursorManager() {
delete _resFork;
_resFork = nullptr;
}
void MacCursorManager::setCursor(const Common::String &name) {
// Try to load a color cursor first.
Common::SeekableReadStream *stream = _resFork->getResource(MKTAG('c', 'r', 's', 'r'), name);
if (stream == nullptr) {
// Fall back to attempting to load a mnochrome cursor.
stream = _resFork->getResource(MKTAG('C', 'U', 'R', 'S'), name);
}
// Make sure we got a resource.
if (stream == nullptr) {
error("MacCursorManager::setCursor(): Reqested Mac cursor %s not found", name.c_str());
}
Graphics::MacCursor *macCursor = new Graphics::MacCursor();
if (!macCursor->readFromStream(*stream)) {
error("MacCursorManager::setCursor(): Error parsing cursor %s from stream", name.c_str());
}
CursorMan.replaceCursor(macCursor);
delete macCursor;
delete stream;
}
} // End of namespace MediaStation